2014 BMW 640I Technical Service Bulletins

308 technical service bulletins (TSBs) are on record for the 2014 BMW 640I. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10149467Feb 1, 2013Seats. Front Seat Lumbar Support Not Working. The lumbar support does not function properly or at all for one or both front seats. CAUSE In most cases, the lumbar knob will rotate with limited or no movement of the lumbar support; this is due to a fractured or broken lumbar support.
• 10149458Feb 1, 2013Air bags. Damage to Side Airbag Trim Mount on Front Seat. The side airbag trim mount on the left or right seat is separated (damaged). The damage occurred during a previous seat repair.
• 10149456Feb 1, 2013Equipment, Visibility (wipers, defrost, mirrors). Bang & Olufsen Sound System: Loudspeaker Illumination. INFORMATION Do not replace parts and do not perform a repair attempt! Explain to the customer that loudspeaker illumination can vary from model to model. For an overview of the illuminated loudspeakers, refer to the attachment. IMPORTANT: The current version of the Owner's Manual for 5 Series vehicles is incorrect.
• 10149452Feb 1, 2013Electrical system. IHKA Operating Panel Buttons Are Peeling.
• 10149446Feb 1, 2013Electrical system. Advanced Onboard Battery Diagnostics. Starting with the introduction of the F10 (5 Series), an advanced intelligent battery sensor has been used. This now makes it possible for the vehicle to monitor the condition of the battery in order to determine if the battery needs to be recharged or replaced, along with the remaining capacity of the battery.
• 10149309Jan 1, 2013Exterior lighting. Head-Up Display Is Too Dark. The Head-up Display (HUD) is too dark. Rain/light/solar/condensation sensor (RLSB) hardware error
• 10149304Jan 1, 2013Brakes. Incorrect Remaining Service Life from CBS Data for Brake Pads. The calculated remaining service life for the brake pads (front and/or rear axle) from the CBS data does not match the actual brake pad thickness. The customer notices implausible remaining distances (too high or too low) on the front and/or the rear axle brake system. Software calculation of the brake pad wear model
• 10149300Jan 1, 2013Fuel system. N63 and S63 Engine: High-pressure Fuel Injector Replacement Procedures. The customer complains that one of the following scenarios has been encountered while operating the vehicle: * During a cold start in the morning, the engine runs very roughly and the Service Engine Soon lamp is illuminated. * During a hot start, the engine runs very roughly and the Service Engine Soon lamp is illuminated. * While driving or…

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